Conjunction Event Detail

    Extreme Risk
    Extreme collision probability. Maneuver strongly recommended for primary asset.
    1.153746E-3
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:32:25+0800
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    1 Object 1

    AOE ID 57254
    NORAD ID 57254
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61931
    NORAD ID 61931
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5490 STARLINK-32420
    Time of Closest Approach 2026-09-04T18:18:25+0000
    Collision Probability (Pc) 1.153746E-3
    Conjunction Distance (km) 0.088 km
    Relative Speed (km/s) 7.858 km/s
    Conjunction Risk Parameters R (Radial): -0.086 | I (In-track): 0.01 | C (Cross-track): -0.007
    Collision Risk Index (CRI) 0.96
    X Position (km) 3704.245 3704.283
    Position Y (km) -4538.062 -4538.128
    Position Z (km) -3576.086 -3576.129
    Velocity X (km/s) 3.765 6.352
    Velocity Y (km/s) 5.714 2.544
    Velocity Z (km/s) -3.354 3.354

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5490 STARLINK-32420
    Semimajor Axis (a) 6861.202 km 6861.483 km
    Eccentricity (e) 0.000116 0.000146
    Inclination (i) 43.0033° 43.0028°
    RAAN 92.6007° 356.3746°
    Perigee Argument 236.5417° 275.5390°
    Mean Anomaly (M) 123.5324° 84.5296°
    Apogee 483.863 km 484.345 km
    Perigee 482.267 km 482.347 km
    Orbit Epoch 2026-09-04T00:02:37+0000 2026-09-03T15:50:43+0000

    STARLINK-5490 & STARLINK-32420 Collision Probability (Pc) Trend

    STARLINK-5490 & STARLINK-32420 Collision Probability (Pc) TrendNot Available

    STARLINK-5490 & STARLINK-32420 Miss Distance (Miss Distance) Trend

    STARLINK-5490 & STARLINK-32420 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5490Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32420Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5490Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32420Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5490

    No nearby objects data